SWC-57R13.5-8N0.5R

Features: 
Cone
Voice Applications
Low profile
Characteristic Minimum Rated Maximum Notes
Type of Magnet NdFeB
Type of Frame Metal
Type of Diaphragm Paper
Type Magnetic
Sound Pressure Level dB at 30cm 89.44 Measured 85±3dB at 0.5W and 50cm.
Power W 0.5 1
Frequency kHz 0.5 0.5 5
Available Input Impedance Ω 4 8 64
Width mm 57
Height mm 13.5

Dimension Drawing: